SSC JE Electrical 2019 with solution SET-1
 Which of the following voltage range is used in medium transmission lines?

More than 200 kV
Less than 20 kV
20 kV to 100 kV
50 kV to 200 kV

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SSC JE Electrical 2019 with solution SET-1
 What is the reason behind using a centrifugal switch in a single-phase induction motor?

To protect the motor from overloading
To cut-off the starting winding at an appropriate instant
To out in the capacitor during running conditions
To improve the starting performance of the motor

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SSC JE Electrical 2019 with solution SET-1
 The meter constant of an energy meter will be given in:

Revolutions/kWh
kW/Revolutions
kWh/Revolutions
Revolutions/kW

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SSC JE Electrical 2019 with solution SET-1
 Let T be the net torque developed by the rotor runs at ω rad/s. What is the mechanical power developed?

Pmech = (ωT)/60
Pmech = (2πωT)/60
Pmech = (2πωT)
Pmech = ωT

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SSC JE Electrical 2019 with solution SET-1
 P = ρQHg is the water power equation. Head ‘H’ is measured in meter ‘g’ gravity constant is measured in meter/second square, then the measuring unit of ‘Q’, the flow rate of water is:

Cubic meter per second
Square meter per second
Meter per second
Meter per hour

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